Home / 14,174.37-21,261.89-6,779.61

Finding the Fourth Proportional to 14,174.37, 21,261.89 and 6,779.61

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Solution

The fourth proportional to 14,174.37, 21,261.89 and 6,779.61 is: 10,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.37 : 21,261.89 = 6,779.61 : x
  2. Step 2: Convert to fraction form
    14,174.37/21,261.89 = 6,779.61/x
  3. Step 3: Cross multiply
    14,174.37x = 21,261.89 × 6,779.61
  4. Step 4: Simplify right side
    14,174.37x = 144,147,288.16
  5. Step 5: Solve for x
    x = 144,147,288.16/14,174.37
  6. Step 6: Final answer
    x = 10,169.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.